Amazon.com: 1.25G Single Mode SFP LC Module, 1000Base-LX/LH Fiber Transceiver for HP Procurve J4859A/J4859B/J4859C Gigabit SFP LX, 20km,1310nm,SMF, DDM, Plug and Play : Electronics
HP J4859C Compatible 1000Base-LX SFP LC for Procurve
Amazon.com: 1.25G Single Mode SFP LC Module, 1000Base-LX/LH Fiber Transceiver for HP Procurve J4859A/J4859B/J4859C Gigabit SFP LX, 20km,1310nm,SMF, DDM, Plug and Play : Electronics
J4859C HP Aruba compatible X121 1G SFP LC LX Transceiver
Transceiver 1000BASE-LX SFP 1310nm 10km DOM J4859C HP Compatible
SFP LX transceiver coded for HP / HPE / Aruba / Procurve / H3C (J4859A/J4859B/J4859C/J4859D) | ACT
HPE J4859C 1000BASE-LX SFP (mini-GBIC) Transceiver - FS.com Europe